Hardened Quantitative Filter Paper - 0550-0700 - Grade 55, 7cm Glass Fiber with 50 double pleats that

with 50 double pleats that can be expanded along the length

Grade 237 is also suited for electrophoresis and the separation of inorganic compounds

Grade 169 for STM2540-E - Volatile Suspended Solids

Glass microfiber paper is used to support food product samples when they are dried

Grade 131 is recommended for the collection of suspended solids in potable water and in industrial wastes

Hardened Quantitative Filter Paper - 0550-0700 - Grade 55, 7cm Glass Fiber with 50 double pleats thatAhlstrom Munksj 55 15 m, Fast Speed This is a fast filtering grade for gravimetric analysis of coarse particles and gelatinous precipitates (i. e.: aluminum and zirconium hydroxides) in acid and alkali solutions. Grade 55 is also used in air and foodstuffs analysis and for chloride and phosphorous in cement, coal and coke.